package tedu.api.map;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.Consumer;

public class MapDemo2 {

    public static void main(String[] args) {
        Map<String,Integer> map = new HashMap<>();
        map.put("语文",99);
        map.put("数学",98);
        map.put("英语",97);
        map.put("物理",96);
        map.put("化学",99);
        System.out.println(map);

        Set<String> keySet = map.keySet();
        for(String key : keySet){
            Integer value = map.get(key);
            System.out.println("key:"+key+" = "+value);
        }

        //keySet.forEach(e-> System.out.println(e));

        Set<Map.Entry<String,Integer>> entrySet = map.entrySet();
        for(Map.Entry<String,Integer> e : entrySet){
            String key = e.getKey();
            Integer value = e.getValue();
            System.out.println(key+" = "+value);
        }

        Collection<Integer> values = map.values();
        for(Integer i : values){
            System.out.println("value:"+i);
        }

        /*keySet.forEach(new Consumer<String>() {
            public void accept(String s) {
                System.out.println(s);
            }
        });*/

        keySet.forEach(s->System.out.println(s));

        keySet.forEach(System.out::println);

        map.forEach((k,v)->System.out.println(k+":"+v));
    }
}
